<template>
    <div>
        <div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<!-- 滑动内部封装的高亮与路由的高亮没有任何关系 -->
						<a :class="['mui-control-item',item.id==0?'mui-active':''] " v-for="item in cates" :key="item.id"
						@tap="getPhotoListByCateId(item.id)">
							{{item.title}}
						</a>
					</div>
				</div>

			</div>
		
			<ul class="info-list">
             <router-link v-for="item in list" :key="item.id" tag="li" :to="'/photolist/photoinfo/'+item.id" >
             <img v-lazy="item.img_url">
			 <div class="info">
				 <div class="info-title">{{item.title}}</div>
				 <div class="info-body">{{item.zhaiyao}}></div>
			 </div>
             </router-link>
</ul>
			
    </div>
</template>
<script>

import mui from '../../lib/dist/js/mui.min.js'
import { Toast } from 'mint-ui'
export default {
    data(){
        return{
			//所有分类列表的数组
			cates:[],
			//图片列表的数组
			list:[]
        }
	},
	created(){
		this.getAllCategroy()
		this.getPhotoListByCateId(0)
	},
    mounted(){//当组件中的DOM结构被渲染好并放到页面中后,会执行这个操作
    //初始化滑动控件
    mui('.mui-scroll-wrapper').scroll({
	deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
});
},
methods:{
	getAllCategroy(){
		this.$http.get('api/getimgcategory').then(result=>{
			if(result.body.status==0){
				result.body.message.unshift({title:"全部",id:0})
				this.cates=result.body.message
			}
			else{
				Toast("加载失败")
			}
		})
	},
	getPhotoListByCateId(cateId){
		this.$http.get('api/getimages/'+cateId).then(result=>{
			if(result.body.status==0){
				this.list=result.body.message
			}
			else{
				Toast('图片加载失败')
			}
		})
	}
}
 }
</script>
<style scoped>
.info-list{
	margin: 0;
	padding: 10px;
	list-style: none;
	padding-bottom: 0;
}
.info-list li{
	background-color:#ccc;
	text-align: center;
	margin-bottom: 10px;
	box-shadow: 0 0 9px #999;
	position: relative;
	}

.info-list li img[lazy=loading] {
    width: 40px;
	height: 300px;
    margin: auto;
	}
.info-list li img{
	width:100%;
	vertical-align: middle;
}
.info{
	color:white;
	position: absolute;
	bottom: 0;
	text-align: left;
	background-color: rgba(0, 0, 0, 0.4);
	max-height: 85px;
	
}
.info-title{
	font-size: 14px;
}
.info-body{
	font-size:13px;
}
</style>
